Function esp_idf_svc::hal::sys::esp_wifi_get_country_code

source ยท 
pub unsafe extern "C" fn esp_wifi_get_country_code(
    country: *mut i8,
) -> i32
Expand description

@brief get the current country code

@param country country code

@return

  • ESP_OK: succeed
  • ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
  • ESP_ERR_INVALID_ARG: invalid argument